Thinking the war at sea, even the first to use boats equipped with firearms handy and quick use, Leonardo Roman naval shots from engineering the idea of building special craft with sickles giant from the devastating effects and aimed to cut trees and sails of enemy ships, then cause the sinking. The project dell'escorpio is significant not only for the offensive power of the fall snapshot of the great scythe, including the possibility that this could, through a turntable, be quickly placed on the point of strike. The lifting mechanism of sickle propelled by a crank and gears, and its rapid fall ensured the effectiveness of the half. The boat was equipped with a device for the protection of rowers through robust mantelletti with entfate defilate coverings and skins which were used to mitigate the effect of the launch of fire from above. C. 1484 / 86. Code Ashburnham